Can HCL Dissolve in Cooking Oil? | Chemistry Info

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SUMMARY

The discussion centers on the interaction between hydrochloric acid (HCl) and rust on metal tools. The user initially attempted to prevent rusting by immersing tools in HCl and subsequently in hot cooking oil. However, the rust returned quickly, indicating that HCl likely penetrated the tool's pores rather than dissolving in the oil. A more effective method would involve rinsing the tools under running water for at least five minutes to ensure complete removal of HCl residues.

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  • Familiarity with metal tool maintenance practices
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This discussion is beneficial for metalworkers, tool maintenance professionals, and anyone interested in chemical interactions related to rust prevention and tool care.

Flyingwing12
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I recently gave my hand tools a bath in " right from the bottle" strength HCL. I had previously known about the naughty flash rusting that occurs, so to combat the rust, I quickly plunged the tool in water, gave it a quick wipe and then plunged it into extremely hot cooking oil.

The tools stayed clean for about a day and then "POOF", the rust was back.

TO make this simple and sweet. Could the HCL have been dissolved into the cooking oil?

I have a high school background with Chemistry so I am trying to get an alleged knowledgeable opinion.

Thanks a bunch.
 
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It's more likely that the HCl found it's way into pores present on the tool. Your rinse didn't completely remove it. Should have rinsed the tool under running water for at least 5 minutes but even that might not work. The rust already present on the tool created cracks and deep pores into the steel which you contaminated with HCl. Cooking oil does almost nothing except keep water off of the tool somewhat.
 

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